To update the RabbitMQ server certificate, you must recreate the certificate, register the new AMQP certificate in vCloud Director, and import the new certificate to every vSphere Replication Cloud Service host.

To update the vCloud Availability for vCloud Director Portal certificate, you can generate a new self-signed certificate with the vCloud Availability Installer Appliance, or import an externally signed certificate.

To update the vCloud Availability for vCloud Director Service Manager Portal certificate, you can generate a new self-signed certificate with the vCloud Availability Installer Appliance, or import an externally signed certificate.